Perityle ciliata |
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fringe rock daisy, hairy rock-daisy |
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Habit | Subshrubs, 15–30 cm (in rock crevices, stems relatively many, erect to pendulous); sparsely to densely short-hairy, glandular. |
Leaves | petioles 2–15 mm; blades deltate-ovate to ovate-rhombic, 6–23 × 5–24 mm, margins usually entire or serrate to serrate-crenate, sometimes shallow-lobed. |
Peduncles | 5–25 mm. |
Involucres | campanulate. |
Ray florets | 6–10; corollas white, sometimes pink tinged, laminae broadly oblong to oblong-elliptic, 3–7 × 1.5–3 mm. |
Disc florets | 30–40; corollas yellow, often purple tinged, tubes 0.8–1 mm, throats tubular to tubular-funnelform, 1.2–1.4 mm, lobes 0.3–0.4 mm. |
Phyllaries | 13–20, linear-lanceolate to narrow-ovate, 4–5.5 × 1–2 mm. |
Heads | in corymbiform arrays, 5–7 × 5.5–7 mm. |
Cypselae | linear-oblong to oblanceolate, 2–2.8 mm, margins prominently calloused, long-ciliate; pappi of 2(–3+) barbellulate bristles 1.5–2.5 mm plus crowns of hyaline, laciniate scales. |
2n | = 34. |
Perityle ciliata |
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Phenology | Flowering spring–fall. |
Habitat | In rock crevices |
Elevation | 1100–2500 m (3600–8200 ft) |
Distribution |
AZ
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Discussion | Perityle ciliata is found only in the mountains of central Arizona in Apache, Coconino, Gila, Mohave, and Yavapai counties. It appears to be most closely related to P. coronopifolia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 21, p. 322. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Peritylinae > Perityle > sect. Perityle |
Sibling taxa | |
Synonyms | Laphamia ciliata |
Name authority | (L. H. Dewey) Rydberg: in N. L. Britton et al., N. Amer. Fl. 34: 17. (1914) |
Web links |